package plg.grupo1.Lexico.guiApp;
import java.io.File;

import javax.swing.filechooser.FileFilter;

class ExtensionFileFilter extends FileFilter{

	String description;
	String extensions[];

	public ExtensionFileFilter(String description,String extension){
		this(description,new String[]{extension});
	}

	public ExtensionFileFilter(String description,String extensions[]){
		if(description == null){
			this.description = extensions[0];
		}else{
			this.description = description;
		}
		this.extensions = (String[])extensions.clone();
		toLower(this.extensions);
	}

	private void toLower(String array[]){
		for(int i = 0,n = array.length;i < n;i++){
			array[i] = array[i].toLowerCase();
		}
	}

	public String getDescription(){
		return description;
	}

	public boolean accept(File file){
		if(file.isDirectory()){
			return true;
		}else{
			String path = file.getAbsolutePath().toLowerCase();
			for(int i = 0,n = extensions.length;i < n;i++){
				String extension = extensions[i];
				if((path.endsWith(extension) && (path.charAt(path.length()
						- extension.length() - 1)) == '.')){
					return true;
				}
			}
		}
		return false;
	}
}
